body{
    background-color: #F3F3F3;
    /*background: url(image/background.jpg);*/
    background-image: url("image/background.jpg");
    font: 13px/1.5 "microsoft yahei",Helvetica,Tahoma,Arial,"Microsoft jhengHei",sans-serif;
    color: #555;
}
.media-bottom{
    margin-bottom: 20px;
}
.media-bottom .media-bottom-comment{
    margin: 20px auto;
}
.media-bottom .media-bottom-comment .comment{
    width: 100%;
}
.my_navbar{
    color: #FFF;
    background-color: #2E77BD;
    border-bottom: 2px solid #1F5588;
}
.my_navbar .my_navbar-brand{
    color: #FFFFFF;
    font-size: large;
}
.my_navbar .my_navbar-nav > ul>li > a{
    color: #FFFFFF;
    font-size: large;
}

.my_navbar a{
    font-size: large;
}
.my_navbar a:hover{
    background-color: #1F5588;
}

.carousel{
    height: 500px;
    margin-bottom: 50px;
}



.carousel .item{
    height: 500px;
}

.carousel-inner > .item > img{
    min-width: 100%;
    height: 500px;
}


.threePic{
    margin-bottom: 50px;
}
.threePic .col-lg-4 {
    text-align: center;
    margin-bottom: 30px;
}

/*footer*/
.featurette img{
    height: 300px;
}
.featurette-divider {
    margin: 80px 0; /* Space out the Bootstrap <hr> more */
}

/* Thin out the marketing headings */
.featurette-heading {
    font-weight: 300;
    line-height: 1;
    letter-spacing: -1px;
}


.footer{
    /*height: 50px;*/
    background-color: #2E77BD;
    color: #FFFFFF;
    font-size: 16px;
}
.footer a{
    color: aqua;
    font-size: 16px;
}
.footer p{
    padding: 12px 0px 0px 0px;
}
.myfooter{
    /*position: absolute;*/
    /*bottom: 0px;*/
    /*width: 100%;*/
}
/*.myfooter .myfooter-bottombar{*/
    /*position: absolute;*/
/*}*/


/*以下是login.html和register.html的css*/
.form-group{
    width: 300px;
    float: left;
}
.form-group .form-control{
    width: 300px;
}
.container-register{
    padding-left: 150px;
    width: 700px;
    margin-top: 30px;
}
.container-register .reset{
    float:left;
    width: 100px;
    margin-top: 30px;
}
.container-register .login{
    float: left;
    margin-left: 100px;
    width: 100px;
    margin-top: 30px;
}
.container-register h3{
    color: #286090;
    padding-left: 30px;
    margin-bottom: 30px;
}
.container-register .stuinfo{
    float: left;
    padding-top: 30px;
    padding-left: 10px;
    color: red;
}

/*login*/

.container-login h3{
    padding-left: 30px;
    margin: 60px auto;
}
.container-login .reset,.login{
    margin-top: 30px;
}


/*leftnav css*/
.leftnav-container{
    width: 100%;
    background-color: #2E77BD;
    color: #FFFFFF;
}
.leftnav-container dt{
    font-size: 1.2em;
    padding-bottom: 10px;
    position: relative;
}
.leftnav-container dt img{
    margin-right: 20px;
    position: absolute;
    right: 0px;
    top: 10px;
}
.leftnav-container dd{
    padding-left: 40px;
}
.leftnav-container dl{
    margin-bottom: 0px;
    /*padding-bottom: 10px;*/
}
.leftnav-container a:link,a:hover,a:active,a:visited{
    color: #FFFFFF;
    text-decoration: none;
    /*background-color: #1b6d85;*/
    /*-webkit-transition: all 0.7s;*/
    /*-moz-transition: all 0.7s;*/
    /*-ms-transition: all 0.7s;*/
    /*-o-transition: all 0.7s;*/
    /*transition: all 0.7s;*/
}
.leftnav .leftnav-back{
    width: 100%;
    height: 100%;
    min-height: 800px;
    position: relative;
    background-color: darkslategray;
}
